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Ecotoxicological information

Ecotoxicological Summary

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Administrative data

Hazard for aquatic organisms

Freshwater

Hazard assessment conclusion:
PNEC aqua (freshwater)
PNEC value:
0.3 µg/L
Assessment factor:
1
Extrapolation method:
assessment factor
PNEC freshwater (intermittent releases):
0.3 µg/L

Marine water

Hazard assessment conclusion:
PNEC aqua (marine water)
PNEC value:
11.2 µg/L
Assessment factor:
50
Extrapolation method:
assessment factor
PNEC marine water (intermittent releases):
6.9 µg/L

STP

Hazard assessment conclusion:
PNEC STP
PNEC value:
10 mg/L
Assessment factor:
10
Extrapolation method:
assessment factor

Sediment (freshwater)

Hazard assessment conclusion:
PNEC sediment (freshwater)
PNEC value:
1 µg/kg sediment dw
Assessment factor:
100
Extrapolation method:
assessment factor

Sediment (marine water)

Hazard assessment conclusion:
PNEC sediment (marine water)
PNEC value:
0.1 µg/kg sediment dw
Assessment factor:
1 000
Extrapolation method:
assessment factor

Hazard for air

Air

Hazard assessment conclusion:
no hazard identified

Hazard for terrestrial organisms

Soil

Hazard assessment conclusion:
PNEC soil
PNEC value:
8 µg/kg soil dw
Assessment factor:
50
Extrapolation method:
assessment factor

Hazard for predators

Secondary poisoning

Hazard assessment conclusion:
no potential for bioaccumulation

Additional information

Conclusion on classification

Short-term aquatic toxicity data are available for three trophic levels (fish, invertebrates and algae) for fresh- and saltwater species. The lowest acute effect values for fish (Oncorhynchus mykiss), aquatic invertebrates (Cloeon sp.) and algae (Pseudokirchneriella subcapitata) are 100 mg a.i./L, 0.01 mg a.i./L and 81.8 mg a.i./L, respectively. The substance needs to be classified as Aquatic Acute 1 (H400), with an M-factor of 10.

 

Long-term aquatic toxicity data are available for three trophic levels (fish, invertebrates and algae) for fresh- and saltwater species. The lowest chronic effect values for fish (Cyprinodon variegatus), sediment invertebrates (Chironomus riparius) and algae (Pseudokirchneriella subcapitata) are 1.7 mg a.i./L, 0.01 mg a.i./L and 81.8 mg a.i./L, respectively. In addition, chronic effects on the mayfly were tested in outdoor mesocosms representative of a typical pond community. The NOEC for effects on larval abundance and emergence of Cloeon dipterum was 0.3 μg a.s./L over the five weeks of constant exposure.

Regarding the adequate chronic aquatic toxicity data (lowest value ≤ 0.001 mg/L) and the substance being not readily biodegradable, the substance needs to be classified as Aquatic Chronic 1 (H410) with an M-factor of 100.

 

In conclusion, the substance is classified as Aquatic Acute 1 (H400) and Aquatic Chronic 1 (H410), with an M-factor of 10 and 100 respectively, as in accordance with EU Classification, Labelling and Packaging of Substances and Mixtures (CLP) Regulation No. 1272/2008.